SMCJ7.0CA

Voltage - Clamping (Max) @ Ipp:	12V
Supplier Device Package:	SMC (DO-214AB)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	125A
Series:	SMCJ
Voltage - Breakdown (Min):	7.78V
Voltage - Reverse Standoff (Typ):	7V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SMCJ7.0CA Application Field and Working Principle

The SMCJ7.0CA is a unidirectional TVS diode, designed to protect equipment from electrical overstress (EOS) caused by lightning, electrostatic discharge (ESD), inductive load switching, etc.. It also provides a voltage clamping solution for low-capacitance protection in I/O lines and is well suited to be used in a variety of applications.Features of SMCJ 7.0CA:The SMCJ7.0CA offers a variety of features that make it particularly suited for EOS protection applications. The primary advantage of the SMCJ7.0CA is that it has very low capacitance, meaning that it will not noticeably interfere with the signal quality of the system it is protecting. It is also able to clamp voltage transients with an absolute maximum specified clamping voltage of 7.0V, providing a prompt response and protection to the downstream components. The SMCJ7.0CA is also very small and lightweight, making it easy to install without impeding airflow or multiple components. It also has a high peak pulse power dissipation of 500W, and a low forward voltage drop of 5V@8A, making it an ideal choice for applications which require a high-speed response and good EOS protection.Applications of SMCJ 7.0CA:The SMCJ7.0CA is well suited for applications which require efficient voltage transient protection. It is particularly useful for USB ports, RS-232 ports, remote control receivers, Ethernet ports, VGA ports, and any other application which involve data transfer and require protection from lightning and ESD. It can also be used in modem lines, radiator lines, power control boards, and other power supply lines which require protection from overvoltage, overcurrent, and ESD.Working Principle of SMCJ 7.0CA:The SMCJ7.0CA functions as a zener diode. It is formed by depositing a heavily n-doped semiconductor layer between a less heavily doped p-type region and a heavily p-doped region. When a transient voltage or electric field exceeds a certain threshold, the p-type and n-doped layers become conductive, creating a conductive path between them. This conducts the excess current away, thus clamping the voltage to a safe level and protecting downstream components from overvoltage.In summary, the SMCJ7.0CA is an ideal TVS diode for EOS protection applications which require a low-capacitance solution and good protection from electrical transients. It offers good performance, high power dissipation, and low forward voltage drop, and can be used in a variety of applications.

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